1424031281 has 2 divisors, whose sum is σ = 1424031282. Its totient is φ = 1424031280.

The previous prime is 1424031277. The next prime is 1424031289. The reversal of 1424031281 is 1821304241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1404750400 + 19280881 = 37480^2 + 4391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424031281 - 2² = 1424031277 is a prime.

It is a super-2 number, since 2×1424031281² = 4055730178533001922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1424031281.

It is not a weakly prime, because it can be changed into another prime (1424031289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712015640 + 712015641.

It is an arithmetic number, because the mean of its divisors is an integer number (712015641).

Almost surely, 2^1424031281 is an apocalyptic number.

It is an amenable number.

1424031281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424031281 is an equidigital number, since it uses as much as digits as its factorization.

1424031281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1424031281 is about 37736.3389983713. The cubic root of 1424031281 is about 1125.0535035624.

The spelling of 1424031281 in words is "one billion, four hundred twenty-four million, thirty-one thousand, two hundred eighty-one".